Bearing.



E. KRANTZ.

BEARING APPucMmN hun rma. me.

Patented July 4, 1916.

.UNITED IATES PATENT OFFICE.

EDWARD KuAN'r'z, 'or CHICAGO, ILNo1s,--rAss1sxioa To UN'rrED vacuum SWEEDDR W COMPANY, orfcn'onedrntmors, A'coaronn'rionormgnawh D" i" 7 ammira j y fr f a,

1,189,262. I. ,SpecatipOfLeftersPatentf'j i IPatented-Jalyag-ime;l origami appuation mea 11pm 22, 1915, serial no..2s,o2e. .Div-1aed ananas application' ,sied rtuay j f 191e. sen'aum'.75,897.Y ya., f "fwj To all whom t may concern? female member 10, Whichis preferably any' Be it known that I, EDWARD yKRANT-z, a integrally :foi-medinetallic cuplike sltamp 5:5' citizen of the United States,landresident of Sing.y vfrom sheet steel 4 ,having tlie "arinulai" "l Chicago, in the'countyof Cookand State. flange-likeportion 1i upstandin'gffromith of Illinois, have invented lcertain .newand side Wall portion 12, which sideiva-ll" prl y' useful Improvements in Bearings,of .which tion.A is centrally apertured. as 13,' to 1-, the following'is a specification. `ceive loosely andvfor free'rotatir'i'therein ihfcf() f' My` invention' relates to bearings, ,and free end Aof the stein. of ythe preferalily'inf more particularly tosuch as embody-anti? tegrallyformed and machine'f'cut lsteellnale/ ii 'l friction 'rollers orballs. i f y, bearing element? 15, AThis lnale'elenlent f The principal objectsof the Ainvention are comprises the stem l@ and thel disk-Iik Y to provide a bearing of the character de-v .portion .li-',the latter being adapted' sub?" 65" scribed which isquite simple and strong in stantially to close the open'side'v of tl'eininl' l" --f constructionand effective inservice, one Vber 10, and is preferably lof somewhat."1 which may loe made .cheaply and expedi-- smallerdiameter thanthe ntof dimmi tiously, and-one which, OWingtO-thevsim'lf jeter of the flange 11 so as V'to loe`frotatable4` plicity, strength' and character of'.its c on.V therein when the vrgevel-x1 p-ts" mi ifs; nyu/ff i struction is advantageous inf installation, sembled asin Fig; Between' 'thesteml'f'f replacement,repair, and adjustment to takey and the flange 1l Ifprovide 'a plgrality' 'Off j up Waan I* i vantifriction elements 1f8, shonf'n as'balls.` Other objects and'advantageshwillappear'. The stem 1,6 yis Xilh/ apeturdasjt 19.7f. \,1 hereinafter. and, forthe-useillustrated,"on 1preferably 7-5\;

lith respectmto the forni :of the. bearing slightly ,taperingflines whereby vtheshaftv Q0 l structure this' application is a divisi/Qnf offmaybe :forced tightly intov tlie'centrlyhblef my. allowed application onayheel 'nount- 19and frictionally held thereinif *I* ings, ledApril 22,., 1/915fSeria1 No.23,026, It'is not broadly new tofprovde fibegu-w to which'reference'is ma e. g

In,..the" accompanyingy drawings, .fwhich form a. part of specification I have illus; trated aipreferred embodiment. of my,1m

provedbearing and a convenient and preferred method f upon one of themembers,..as Wellas. one application of the-bearing-in usernamely upon carpet-cleaners adapted to travel upon theoor.

In these drawings Figuren 1 is a fragmentary side View of the, rear end of suchV a Carpet cleaner .with the improved .bearing in operative position thereon; Fig. 2 is an enlarged -vertical substantially medial fseetional' view of thehanger 'and ,bearing of Fig. l; Fig; 3 is a horizontal medial rsection through the'complete hanger and bearing of Ii`igs.- .1 V and .2,A as if on the line 3-3 of Fig. 2; Fig-LL is a perspective of the outer cup or female bearing element; lFig. 5 is a perspective of the inner or male fbearing element; and Fig. 6 is a vertical medial section of the bearing and of a fragment ofa punch, as during the process of forming a retainingbead on the male part.

The bearigullustrated comprises the forming a retaining bead.

.ing

wherein theregar'e lmale" and" female mem-wf w.; @IS` With antifrictionf elements betve'enhk them. Heretofore, l'iowe'vem''it'V has Ibeenv rather fdiflicult and' expensive",I and ii'n'olvt .ing additional parts over those :illustrated-85 herein, ,to secure' the male and female inem# 5 bers operatiijfely together.v 'It' i's'to be under-vf j i:

. tood that the W'allla ofthe-'stein IGmust f 13e-substantially ,thick l'to provide s'uicient' ff strength and VWearingY 'proporties."'1A Hereto--90 s f lfore it has been suggested tofweldvuponthe*v f .V

, central or malepartV a ringhav'ing anfout-fg.

Wardly turned a'nge,y such `flange loeingV .l adapted vto hold the'maleniexnber against- In retractionl fromy lthe' femalevinemben'usuch. 9 5 Welding being done after the v parts areas. sembled,y -"Ac'cording to mypresentfinven-gm; M tion vthe formation of such a separate piece and the velding` are avoided; and theipalrts ,Q fi

are securedtogethe'r strongly 'andrapidlyuoom A and Without.prejudicejto'thetemperof the surfaces formingVS the' racenfay for the .ball

Referring t`o"l4`ig. lfit-Will-be ,notedthatg fj, I forni the free end of the'steml so that theannular wall thereof atand near the end 105 is relatively thin, and this reduction ofthe annular Wall is preferably on tapering or template all such changes as fall within the ctfiuntersunk lines as illustrated \\liei.'eby the scope. of the appended claims. 60- Wall 16 is ysubstantially thick normally at l elaini:

the side wall 12 so as to resist bending or l. A bearing comprising in eoinbinatioi'i f5 expansionat`V the side wall. it thence beeoinan integrally formed metallic cup-like. fe-

ing gradually thinner to the end whereby male element having an annular `flange upthe end portion may be ontturned ,to forni standing from a centrally apertiired side- 65 ,the prefe 'ably anniilar'bead 2l coming down wall. said cup-like velement being open on close to the side wall l2 of the female memthe. side thereofI opposite said side-wall'porberryet permitting the male element l5 to tion, an integrally formed male bearing-elerotate freely relative to the female part 10. ment eoinprisiiig a disk-like portion and a, This operation of forming' the bead 2l is centrally arranged `stein circular iii cross Z0 suitably performed in a punch press. as illus- View jiipstanding therefrom. `one end ot' `said trated in Fig. G, the punch or former 22 havstein terminating free. said stein being a \'i- 'i'5 ing a pilot 215 adapted to maintain the bear- .ally apertiii'ed to accommodate a shaft. the ing in its desired position during the operawalls ot' said stein being substantially thicktion, and having an annular recess '2l adaptfor strength and wear. the free end thereof 75 'edsttg engage the wall of the stem 1G and having a relatively thin annular wall `and beoverturnthe free edge portion.loekinglyupon ing adapted to pass loosely through the the side wallflgfllie stroke of the punch is aperture of said side-wall with said disk-V so regulated that tleV overturning of the edge like. portion substantially closing the open v z is not too great to preventfthe relative moveside. of said cup-like element. a pluralit-yot S0 ment `of the male and female parts..\ anti-friction elements between said central For many 'purposes the surfaces foriniiig\ stein and the interior surface of said tia-nge. y125 he raceway for the antifriction elements, as tl`ie-re\latively thin annular wall of said stein 1S, are case-hardened. but. in practice I do being atturned to forni an integral bead 'Snot ca se-harden the end portion of the stein overlying a portiomof said side wall. S5

16, leaving the free edge'portion, which is to '2. A bearingcomprisingjn combination aii u be turned over, relativelyksoft and with its integrally formed iiiet;illic\'i-iplike `female nati/(ral ductility substantially uniinpaired. element having an annulartlange opstanding l /ln case of wear at and about the beadrQl .t'roin a centrally apertured side-wall,v sid\ y remedied by merely applying' hammer thereof opposite said side-wall portion, an .l blows upon the overturned edge portion Q1. integrally formed male bearing element f riveting the parts together as tightly as may comprising a disk-likesportion and a ceube desired. Preferably, however. av bluntly trally arranged stein CirCulaiH-incrOSs view rounded setting tool employed for this upstanding therefrom, one end of said stem 95 purpose, its use resulting in .an equable terminating free. said stem being axially# s vaging or riveting of the bead '21. apertuied to accommodate a shaft, the walls 40- It will thus be apparent that a strong' and of said stem being substantially thick for serviceable bearing is produced. simply. strength and wear. the free end thereof hav.-

cheaply and expeditiously and ofl whatA I ing' a relatively thin annular wall and being' 100 vbelieve to be the irreducible number of parts.A adapted to pass loosely through the aperture p *i lVhen aliiplying the bearing to the use of said side-wall with said disk-like portion A'iillustratedf"preferably secure the saine Nin`v substantially closing the open side ot said l b the crotchof a iiietallic'strap hanger V the cup-likeeleihent.mtityifanfijfiaetion--- llegs of whichgedrangz elanipiugly1-to--eleineirts'b'etiveen' said central stein and the log Wr"":e'tlefbtlmlmlt '26, the hanger being seinterior surface ot said flaiige. said stem becured asibyscrews to the body ot' the cleaner ing hardened where said" anti-friction ele- 27; .Preferably a plurality 'of'projections ments travel thereon, the relatively .thin 28 are stamped inward from tliistrap 25 annular wall of said stem being relatively to hold the bearing against lateraldisplacesoft and oiitturned to torni an integral bead i'io ment. overlying a portion of said side wall.

While I have .illustrated'a'ciul described a I EDWVR'D K RANT preferred embodiment ot my improved bearv. l ing and a method foiforniing it. changes ll itiiesses:

f 1 Y" mayv be made inthe saine without departing l. l). Brillant,

from the spirit of this invent-ion, and I' con-1 M. M. luana-mn.

r siilting in looseness the same may be read-` cup-like element being open on the side, 90 

